Pneumatic discharge door of concrete batching plant

Abstract

The utility model relates to the technical field of pneumatic discharging doors of concrete batching machines, in particular to a pneumatic discharging door of a concrete batching machine, which comprises a bin body, a dismounting structure is arranged outside the bin body, the dismounting structure comprises a discharging door base, the discharging door base is welded on the outer wall of the bin body, and the discharging door base is connected with the bin body. The material door base and the connecting plate are connected through a mounting bolt, and a hanging plate is assembled outside the mounting bolt and can be assembled conveniently and rapidly. According to the pneumatic discharge door of the concrete batching plant, the problems of disassembly, maintenance and replacement of accessories of the discharge door can be solved, meanwhile, the service life of products is prolonged, the repeated utilization rate of materials is increased, and the practicability and the economization of the device are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of pneumatic discharge doors for concrete batching machines, in particular to a pneumatic discharge door for a concrete batching machine. Background Art

[0002] Concrete batching machine, also known as batching machine and automatic sand and gravel batching machine, is an automated equipment used for quantitative distribution of various materials such as sand and gravel. It is mainly used in the concrete construction industry to replace manual scales or volumetric measurement. The discharge door is an important component of the concrete batching machine.

[0003] The existing pneumatic discharge door components of concrete batching machines are actuators, which are frequently opened and most of them cannot be refueled. The hanging plates and pins are not durable and have a short service life. In addition, the holes in the hanging plates become larger as they are used, and finally break and cannot be used any further. After the door is deformed, it is inconvenient to disassemble and repair. All components are welded together for one-time use, resulting in serious waste of resources. Replacement requires cutting off the original components, grinding them, and then replacing them with new ones, resulting in high maintenance costs. Therefore, a pneumatic discharge door for a concrete batching machine is urgently needed to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a pneumatic discharge door for a concrete batching machine to solve the problems raised in the above background technology that the pneumatic discharge door components of the existing concrete batching machines are execution components, which are frequently opened and closed, and most of them cannot be refueled, the hanging plates and pin shafts are not durable and have a short service life, and the holes of the hanging plates become larger as they are used, and finally break and cannot be used any further, and after the door is deformed, it is inconvenient to disassemble and repair, all parts are welded together for one-time use, and resources are seriously wasted, and replacement requires cutting off the original parts, grinding them and then replacing new parts, resulting in high maintenance costs.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pneumatic unloading door of a concrete batching machine, comprising: a silo body, a disassembly and assembly structure is arranged on the outside of the silo body, the disassembly and assembly structure comprises a material door base, the material door base is welded to the outer wall of the silo body, the material door base is connected to the connecting plate by means of mounting bolts, a hanging plate is installed on the outside of the mounting bolts, and the hanging plate can be conveniently assembled.

[0006] Preferably, a rotating shaft is installed inside the hanging plate, a cotter pin is inserted inside the rotating shaft, and the rotating shaft is clamped on the material door base by an elastic retaining wall.

[0007] Preferably, a cylinder sleeve is provided on the rotating shaft.

[0008] Preferably, an oil filling hole is provided on the cylinder sleeve.

[0009] Preferably, an arc door bottom plate is arranged below the warehouse body, and the arc door bottom plate is composed of three groups of arc door panels, and the three groups of arc door panels in the arc door bottom plate are connected by limiting bolts.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] This type of pneumatic discharge door of a concrete batching machine is provided with a disassembly and assembly structure. When using the pneumatic discharge door of a concrete batching machine, the base of the material door is welded to the bin body, and the base of the material door and the connecting plate are connected by mounting bolts, and the hanging plate is removable. A cylinder sleeve is added on its basis, and an oil filling hole is provided on the upper part of the cylinder sleeve to facilitate the supply of lubricating oil between the cylinder sleeve and the rotating shaft, so as to ensure that the material door can be opened flexibly and extend its service life. The rotating shaft is clamped on the base of the material door by an elastic retaining wall, and the bottom plate of the arc door is changed from a whole piece to three pieces, and the bottom is connected to the arc connecting plate with bolts. If the arc door plate is deformed or damaged, only the middle arc door plate needs to be replaced, and all parts can be disassembled for easy replacement. When repairing, only the damaged parts need to be replaced. Through this design, the pneumatic discharge door of this type of concrete batching machine can solve the problems of disassembly, repair and replacement of accessories of the discharge door, while improving the product life, and increasing the material repetition rate, and improving the practicality and economy of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a schematic diagram of a front cross-section of the structure of the utility model;

[0013] Figure 2 It is a side cross-sectional schematic diagram of a local structure of the utility model;

[0014] Figure 3 For this utility model Figure 2 A schematic diagram of the enlarged structure in the middle.

[0015] In the figure: 111, warehouse body; 2, disassembly and assembly structure; 211, material door base; 212, connecting plate; 213, mounting bolts; 214, hanging plate; 215, rotating shaft; 216, cotter pin; 217, cylinder sleeve; 218, elastic retaining wall; 219, arc door bottom plate; 220, limiting bolts. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0017] See also Figure 1-3 , an embodiment provided by the utility model:

[0018] A pneumatic discharge door for a concrete batching machine comprises: a bin body 111, a disassembly and assembly structure 2 is arranged outside the bin body 111, the disassembly and assembly structure 2 comprises a material door base 211, the material door base 211 is welded to the outer wall of the bin body 111, the material door base 211 is connected to a connecting plate 212 by means of mounting bolts 213, a hanging plate 214 is arranged outside the mounting bolts 213, and the hanging plate 214 can be conveniently assembled.

[0019] Furthermore, a rotating shaft 215 is installed inside the hanging plate 214 , a cotter pin 216 is inserted inside the rotating shaft 215 , and the rotating shaft 215 is clamped on the material door base 211 by an elastic retaining wall 218 .

[0020] Furthermore, a cylinder sleeve 217 is provided on the rotating shaft 215 .

[0021] Furthermore, an oil filling hole is provided on the cylinder sleeve 217. Through this design, the cylinder sleeve 217 is added, and the oil filling hole is provided on the upper part of the cylinder sleeve 217, so as to facilitate the supply of lubricating oil between the cylinder sleeve 217 and the rotating shaft 215, thereby ensuring that the material door can be opened flexibly and prolonging its service life.

[0022] Furthermore, an arc door bottom plate 219 is provided under the warehouse body 111, and the arc door bottom plate 219 is composed of three groups of arc door panels. The three groups of arc door panels in the arc door bottom plate 219 are connected by limiting bolts 220. Through this design, the arc door bottom plate 219 is changed from a whole piece to three pieces, and is connected to the arc plate with bolts below. If the arc door panel is deformed or damaged, only the middle arc door panel needs to be replaced.

[0023] Working principle:

[0024] When using the pneumatic discharge door of the concrete batching machine, the door base 211 is welded to the bin body 111, and the door base 211 and the connecting plate 212 are connected by mounting bolts 213, and the hanging plate 214 is detachable. On this basis, a cylinder sleeve 217 is added, and an oil filling hole is provided on the upper part of the cylinder sleeve 217, which is convenient for supplying lubricating oil between the cylinder sleeve 217 and the rotating shaft 215, ensuring that the door can be opened flexibly and the service life is extended. The rotating shaft 215 is clamped on the door base 211 by an elastic retaining wall 218, and the arc door bottom plate 219 is changed from a whole piece to three pieces, and is connected to the arc plate with bolts below. If the arc door plate is deformed or damaged, only the middle arc door plate needs to be replaced. All parts can be disassembled for easy replacement. When repairing, only the damaged parts need to be replaced, and the operation is completed.

[0025] The above are only preferred embodiments of the present invention and are not intended to limit the present invention in any form. Any ordinary technician in the industry can smoothly implement the present invention as shown in the drawings and above. However, any equivalent changes, modifications and evolutions made by technicians familiar with the profession without departing from the scope of the technical solution of the present invention using the technical content disclosed above are all equivalent embodiments of the present invention. At the same time, any equivalent changes, modifications and evolutions made to the above embodiments based on the essential technology of the present invention are still within the protection scope of the technical solution of the present invention.

Claims

1. A pneumatic discharge door for a concrete batching machine, comprising: A bin body (111), characterized in that: a disassembly and assembly structure (2) is arranged outside the bin body (111), the disassembly and assembly structure (2) comprises a material door base (211), the material door base (211) is welded to the outer wall of the bin body (111), the material door base (211) is connected to a connecting plate (212) via mounting bolts (213), a hanging plate (214) is arranged outside the mounting bolts (213), and the hanging plate (214) can be conveniently assembled.

2. A pneumatic discharge door for a concrete batching machine according to claim 1, characterized in that: A rotating shaft (215) is installed inside the hanging plate (214), a split pin (216) is inserted inside the rotating shaft (215), and the rotating shaft (215) is clamped on the material door base (211) by an elastic retaining wall (218).

3. A pneumatic discharge door for a concrete batching machine according to claim 2, characterized in that: A cylinder sleeve (217) is provided on the rotating shaft (215).

4. A pneumatic discharge door for a concrete batching machine according to claim 3, characterized in that: The cylinder sleeve (217) is provided with an oil injection hole.

5. The pneumatic discharge door of a concrete batching machine according to claim 1, characterized in that: An arc door bottom plate (219) is provided below the warehouse body (111), and the arc door bottom plate (219) is composed of three groups of arc door plates. The three groups of arc door plates in the arc door bottom plate (219) are connected by limiting bolts (220).

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